Is there any kind of fire stop or sealing required around the gap of furnace plenum/subflooring to the upstairs? Gas furnace is in a downstairs utility room.
Thanks in advance.
Is there any kind of fire stop or sealing required around the gap of furnace plenum/subflooring to the upstairs? Gas furnace is in a downstairs utility room.
Thanks in advance.
Not that I am aware of but it sure makes for a professional appearing install.